Réamhaisnéis limistear na farraige
Forecast valid from: 00:00, Thursday 27 November 2025 until 00:00, Friday 28 November 2025
Small Craft Warning
Southwesterly winds will reach force 6 or higher at times on all Irish coasts on Thursday.
Gale Warning
1. Southwesterly winds will reach gale force 8 at times on Thursday morning on Irish coastal waters from Slyne Head to Rossan Point to Malin Head 2. Southwesterly winds will reach gale force 8 or strong gale force 9 and gusty later on Irish coastal waters from Valentia to Bloody Foreland to Carlingford Lough and on the North Irish Sea.
Atlantic Swell
Increasing on Atlantic coasts on Thursday night.
Meteorological Situation at 21:00 UTC
A rapidly deepening depression of 972hPa in the mid North Atlantic generates a fresh to near gale south to southwest airflow over Ireland. Associated fronts will track eastwards over the country during the period.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Valentia to Erris Head to Fair Head
Wind: Southwest force 5 or 6, occasionally near gale force 7 and gusty. Soon increasing force 6 to gale force 8 and gusty. Later increasing 7 to strong gale force 9 and gusty, strongest between Slyne Head and Malin Head.
Weather: Cloudy with outbreaks of rain and drizzle and patches of mist and fog. Soon becoming fair in the west with scattered showers and elsewhere later.
Visibility: Reducing moderate or poor in precipitation, mist and fog. Otherwise good.
Forecast for Irish coastal waters from Fair Head to Carnsore Point to Valentia and for the Irish Sea
Wind: Southwest force 5 or 6. Soon increasing force 6 or 7 gusty. Increasing force 7 to gale force 8 and gusty towards the end of the period.
Weather: Cloudy with outbreaks of rain and drizzle and patches of mist and fog. Soon becoming fair in the west with scattered showers and elsewhere later.
Visibility: Reducing moderate or poor in precipitation, mist and fog. Otherwise good.
Outlook for a further 24 hours until 00:00, Saturday 29 November 2025
Near gale to gale force southwest winds on all Irish coasts Friday will reach strong gale force at times in the northwest Thursday night into Friday morning. Winds will start to veer west to northwest on Friday evening and will gradually decrease moderate to strong from the west by the end of the period. Weather; Showers, some heavy with hail and isolated thunderstorms.
Forecast issued at: 00:00, Thursday 27 November 2025
All times are local unless specified
